Electro-optic device
First Claim
1. An electro-optical device comprising an electrochemical material layer and an electrolytic solution interposed between mutually opposed base plates, each having an electrode on the surface thereof, wherein said electrolytic solution consists essentially of:
- (a) an iodide source material as a redox reaction promoter selected from the group consisting of metal iodides an ammonium iodides, and(b) a lactone solvent capable of dissolving the redox reaction promoter, with the proviso that when the iodide ion source material is not also a metal cation source, a cation source material which is capable of generating H+ or Li+ ions is further added.
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Abstract
An electro-optical device containing an electrochromic material layer and electrolytic solution interposed between mutually opposed base plates, each having an electrode on the surface thereof, wherein said electrolytic solution consists essentially of (a) an iodide source material as a redox reaction promoter selected from the group consisting of metal iodides and ammonium iodides, and (b) a lactone solvent capable of dissolving the redox reaction promoter, with the proviso that when the iodide ion source material is not also a metal cation source, a cation source material capable of generating H+ or Li+ is further added.
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Citations
16 Claims
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1. An electro-optical device comprising an electrochemical material layer and an electrolytic solution interposed between mutually opposed base plates, each having an electrode on the surface thereof, wherein said electrolytic solution consists essentially of:
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(a) an iodide source material as a redox reaction promoter selected from the group consisting of metal iodides an ammonium iodides, and (b) a lactone solvent capable of dissolving the redox reaction promoter, with the proviso that when the iodide ion source material is not also a metal cation source, a cation source material which is capable of generating H+ or Li+ ions is further added. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electro-optical device comprising an electrochemical material layer and a gelled electrolytic solution interposed between neutrally opposed base plates, each having an electrode on the surface thereof, wherein said gelled electrolytic solution consists essentially of:
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(a) an iodide ion source material as a redox reaction promoter selected from the group consisting of metal iodides and ammonium iodides, and (b) a lactone solvent capable of dissolving the redox reaction promoter, with the proviso that when the iodide source material is not also a metal cation source, a cation source material capable of generating H+ or Li+ ions is further added, and wherein a polymer is added to the electrolytic solution to increase the viscosity thereof, to form a gel of said electrolytic solution. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification